Minor change in the wording.
diff --git a/Doc/library/urllib.parse.rst b/Doc/library/urllib.parse.rst
index cfd995d..c9ca9ab 100644
--- a/Doc/library/urllib.parse.rst
+++ b/Doc/library/urllib.parse.rst
@@ -309,8 +309,8 @@
.. function:: urlencode(query, doseq=False, safe='', encoding=None, errors=None)
- Convert a mapping object or a sequence of two-element, which may either be a
- :class:`str` or a :class:`bytes` tuples, to a "url-encoded" string,
+ Convert a mapping object or a sequence of two-element tuples, which may
+ either be a :class:`str` or a :class:`bytes`, to a "url-encoded" string,
suitable to pass to :func:`urlopen` above as the optional *data* argument.
This is useful to pass a dictionary of form fields to a ``POST`` request.
The resulting string is a series of ``key=value`` pairs separated by ``'&'``